Buggy code:
@ Mod ( modid = ModSamsContent . MODID , version = ModSamsContent . VERSION ) public class ModSamsContent { @ Instance ( ModSamsContent . MODID ) public static ModSamsContent instance ; public static Logger logger ; public static Configuration config ; public static final String MODID = "samscontent" ; public static final String VERSION = "1" ; public static boolean swiftDeposit = true ; public static boolean smartEnderchest = true ; private static boolean increasedStackSizes = true ; private static boolean moreFuel = true ; private static boolean moreFutureTrades = true ; @ EventHandler public void onPreInit ( FMLPreInitializationEvent event ) { } private void setupConfig ( ) { String category = ModSamsContent . MODID ; ModSamsContent . increasedStackSizes = ModSamsContent . config . getBoolean ( "increasedStackSizes" , category , true , ( "While<seq2seq4repair_space>true,<seq2seq4repair_space>many<seq2seq4repair_space>items<seq2seq4repair_space>and<seq2seq4repair_space>blocks<seq2seq4repair_space>(not<seq2seq4repair_space>tools//armor//potions)<seq2seq4repair_space>have<seq2seq4repair_space>their<seq2seq4repair_space>max<seq2seq4repair_space>stack<seq2seq4repair_space>size<seq2seq4repair_space>increased<seq2seq4repair_space>to<seq2seq4repair_space>64.<seq2seq4repair_space>" + ( "Included<seq2seq4repair_space>are:<seq2seq4repair_space>ender<seq2seq4repair_space>pearl,<seq2seq4repair_space>egg,<seq2seq4repair_space>snowball,<seq2seq4repair_space>cookie,<seq2seq4repair_space>mushroom<seq2seq4repair_space>stew,<seq2seq4repair_space>boat,<seq2seq4repair_space>all<seq2seq4repair_space>minecarts,<seq2seq4repair_space>all<seq2seq4repair_space>doors,<seq2seq4repair_space>cake,<seq2seq4repair_space>saddle,<seq2seq4repair_space>" + "horse<seq2seq4repair_space>armor,<seq2seq4repair_space>empty<seq2seq4repair_space>bucket,<seq2seq4repair_space>bed,<seq2seq4repair_space>all<seq2seq4repair_space>records." ) ) ) ; <START_BUG> ModSamsContent . moreFuel = ModSamsContent . config . getBoolean ( "increasedStackSizes" , category , true , "More<seq2seq4repair_space>can<seq2seq4repair_space>be<seq2seq4repair_space>used<seq2seq4repair_space>as<seq2seq4repair_space>furnace<seq2seq4repair_space>fuel." ) ; <END_BUG> ModSamsContent . moreFutureTrades = ModSamsContent . config . getBoolean ( "moreFutureTrades" , category , true , "Adds<seq2seq4repair_space>in<seq2seq4repair_space>villager<seq2seq4repair_space>trades<seq2seq4repair_space>that<seq2seq4repair_space>would<seq2seq4repair_space>be<seq2seq4repair_space>added<seq2seq4repair_space>in<seq2seq4repair_space>1.8." ) ; ModSamsContent . swiftDeposit = ModSamsContent . config . getBoolean ( "swiftDeposit" , category , true , "Punch<seq2seq4repair_space>a<seq2seq4repair_space>chest<seq2seq4repair_space>while<seq2seq4repair_space>sneaking<seq2seq4repair_space>to<seq2seq4repair_space>merge<seq2seq4repair_space>items<seq2seq4repair_space>from<seq2seq4repair_space>your<seq2seq4repair_space>inventory<seq2seq4repair_space>into<seq2seq4repair_space>existing<seq2seq4repair_space>item<seq2seq4repair_space>stacks<seq2seq4repair_space>in<seq2seq4repair_space>the<seq2seq4repair_space>chest." ) ; ModSamsContent . smartEnderchest = ModSamsContent . config . getBoolean ( "smartEnderchest" , category , true , "Attack<seq2seq4repair_space>with<seq2seq4repair_space>the<seq2seq4repair_space>ender<seq2seq4repair_space>chest<seq2seq4repair_space>to<seq2seq4repair_space>open<seq2seq4repair_space>it<seq2seq4repair_space>without<seq2seq4repair_space>placing<seq2seq4repair_space>it." ) ; ExtraCraftingMod . setupConfig ( ) ; HandlerSurvivalFlying . setupConfig ( ) ; if ( ModSamsContent . config . hasChanged ( ) ) { ModSamsContent . config . save ( ) ; } } @ EventHandler public void onServerLoad ( FMLServerStartingEvent event ) { } @ EventHandler public void onInit ( FMLInitializationEvent event ) { } private void initStackSizes ( ) { } @ SubscribeEvent public void onPlayerInteract ( PlayerInteractEvent event ) { } @ SubscribeEvent public void onLivingDrops ( LivingDropsEvent event ) { } @ SubscribeEvent public void onPlayerTick ( PlayerTickEvent event ) { } }

Fix:
ModSamsContent . moreFuel = ModSamsContent . config . getBoolean ( "moreFuel" , category , true , "More<seq2seq4repair_space>can<seq2seq4repair_space>be<seq2seq4repair_space>used<seq2seq4repair_space>as<seq2seq4repair_space>furnace<seq2seq4repair_space>fuel." ) ;